From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14247C2D0EC for ; Wed, 8 Apr 2020 02:42:05 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D33C020730 for ; Wed, 8 Apr 2020 02:42:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="G8H3nVix" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D33C020730 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 613396E192; Wed, 8 Apr 2020 02:42:04 +0000 (UTC) Received: from mail-qt1-x831.google.com (mail-qt1-x831.google.com [IPv6:2607:f8b0:4864:20::831]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7EFF96E192 for ; Wed, 8 Apr 2020 02:42:03 +0000 (UTC) Received: by mail-qt1-x831.google.com with SMTP id g7so4463107qtj.13 for ; Tue, 07 Apr 2020 19:42:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Uk1qjv5hu6QjOnK4kjELwcyzcvfwXBHf4ZNjvhQDRbA=; b=G8H3nVixnqO35n0wjuHvKjGnfeB9ePRyONu+rbGK27NAaFT9Dunc1/sgGg41LXUWgJ wYx71cl2s9OPQPVkJSRD6tFp8bHREMqq5E9qHRK/j/vokLHredeJqxQhNYtozA9ief2c KfX1oNv7wtSf6F8BqPpHaNWDRfz2pvYfeJBxltL3aTwm4YfuAEgJj7X07McCcZco+8KQ b4ifhEVZQ1kw59WoRfQqqxCRB0xPKb78UH97b2oph13fBaqtfgPr2jYFCn35qvS7ruap rFCJmOvdoIdRSKIfSLgtcupmIfp/CCsB2etHoU/CzFnBa09vIvvXmLKfUelos8n1Vorh U7Mw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Uk1qjv5hu6QjOnK4kjELwcyzcvfwXBHf4ZNjvhQDRbA=; b=Zzqhcw4WJeA2v+bpLdTt16R9yA6YwC5D5WTsxLTglV8kYXC7nTsOLMjt3xUPeOrEys V8Au4JmpIl9uzHgh9Z0c2EDuYp5CNgcPGgnudNweAYCV0A9L/TvBExigO27lTgsRcrRK jACTDKGignZXpculxFctpxEnnS0vmz4tO9J/VT4r6JYmJGSL194/Geeidf2py9EmBz0+ l8cBMqtC/017KV/bTtfmT6+sL/kmGGVKZVmVHqYZOZZy5+jTgbA/4e50yH3C6jnqzPWf BF4n1pZ98o39P7l4+9f3KGdOusowt3D2l8WSQpZnTRHvp7OnYPq4FWgNlJSCkHLOTPkh uQGQ== X-Gm-Message-State: AGi0PuY7OdjpRB4C43C2pVqtebjrv9OulVDa38eDYDyur95nMBNlPRMy BAX15nPqYVMzX7UEncJoRVDY89jI X-Google-Smtp-Source: APiQypL1YQxoV18y4uu05GwE5Gy6p8aDB2wIgLD4mRvkGiBmN+seaxqs7hnadhREJPM9Sjg9bzve7A== X-Received: by 2002:ac8:4a98:: with SMTP id l24mr5470017qtq.223.1586313722248; Tue, 07 Apr 2020 19:42:02 -0700 (PDT) Received: from prosha.fios-router.home (pool-72-92-48-173.phlapa.fios.verizon.net. [72.92.48.173]) by smtp.gmail.com with ESMTPSA id h11sm18019460qtr.38.2020.04.07.19.42.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Apr 2020 19:42:01 -0700 (PDT) From: Alexei Podtelezhnikov To: intel-gfx@lists.freedesktop.org Date: Tue, 7 Apr 2020 22:41:33 -0400 Message-Id: <20200408024133.5699-1-apodtele@gmail.com> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH xf86-video-intel] sna: Fix double-free crashes X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Fix double-free crashes. See https://bugzilla.redhat.com/show_bug.cgi?id=1808767 Signed-off-by: Alexei Podtelezhnikov --- src/sna/kgem.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/sna/kgem.c b/src/sna/kgem.c index 6a35067c..9865a912 100644 --- a/src/sna/kgem.c +++ b/src/sna/kgem.c @@ -3079,6 +3079,9 @@ static void kgem_buffer_release(struct kgem *kgem, struct kgem_buffer *bo) assert(cached != &bo->base); list_del(&cached->vma); + if (!cached->map__gtt) + continue; + assert(*(struct kgem_bo **)cached->map__gtt == cached); *(struct kgem_bo **)cached->map__gtt = NULL; cached->map__gtt = NULL; -- 2.26.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx